Home / 21,509.52-32,272.55-10,415.35

Finding the Fourth Proportional to 21,509.52, 32,272.55 and 10,415.35

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Solution

The fourth proportional to 21,509.52, 32,272.55 and 10,415.35 is: 15,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.52 : 32,272.55 = 10,415.35 : x
  2. Step 2: Convert to fraction form
    21,509.52/32,272.55 = 10,415.35/x
  3. Step 3: Cross multiply
    21,509.52x = 32,272.55 × 10,415.35
  4. Step 4: Simplify right side
    21,509.52x = 336,129,930.96
  5. Step 5: Solve for x
    x = 336,129,930.96/21,509.52
  6. Step 6: Final answer
    x = 15,627.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.